The Machined IPR Mod v2.0

So I've been working on making a nice and clean ipr(internal pressure retention) for my shocker. The design is the same as my ipr mod walkthrough but the piston is machined out of delrin and valve seat is also fully machined and completely rebuildable. Let me know what you think. Also feel free to PM me if you have interest here.

Specs-

-Works in any shocker SFT or NXT
-completely eliminates pressure loss in the solenoid insert tube - increasing consistancy
-95% drop in, only requiring the user to make a super simple cut with scissors and glue on a bumper.
-totally user rebuildable with common orings already found in the shocker manifold. (1x3mm and 1x2.5mm orings)
-step by step installation instructions with life size pictures, making it so easy to install anyone can do it.
-allows the user to safely DOUBLE the flow to the solenoid, leading to rediculously consistant cycles.*
-will come with all orings and tools needed to install, including 4 free magnets for those of you who like to tinker (you supply scissors and glue)

*please note, in order to double the flow to the solenoid the body must be drilled out, but this is COMPLETELY OPTIONAL, and is not required to get benifits from the ipr. I will supply detailed instructions on how and where to drill, but if you dont feel comfortable doing this cs900 or any machinist can very easily do it for you.

The valve seat uses 1x3 mm (solenoid insert) orings around the outside and a 1x2.5 mm (center manifold oring) on the face, so rebuilding the ipr will be very easy.

This is what the IPR Kit will look like once installed in your gun. The clear straw represents the left insert tube.

After the shot the firing chamber pressure drops but the ipr maintains the correct operating pressure in the solenoid chamber. This more consistant pressure being being maintained in the solenoid chamber allows the gun to be more accurate at high rates of fire, eliminating drop off and shot fluctuations.

It works very well. I was able to shoot below 250fps at 20+ bps consistantly with reballs in my basement. I set the tadao yakuza to 22bps full auto and turn the eyes off so I know it is really 22bps. Also when you degas your marker on a stock shocker the gun usually stores enough air for 1 shot and then vents the air. But with the IPR installed you can get that 1 shot and then the bolt will continue to cycle 2-3 more times before the air begins to vent like normal.

I adjust the tension through the length of the filter. first you line up the filter with the pattern included and cut it to length. then to fine tune the tension you can just stack another magnet(included) on the end of the filter if the filter is cut too short and the piston rattles. then you never need to mess with it again.

I will try to get the video of it shooting in a gun when I get air later this week.

The clear cans are getting made friday so that will take priority once they get off the machine, so the ipr kits will be slightly delayed.

The testing I have done so far have shown good results and I feel people will be pleased. I got a little air today but sadly I had a bad oring and that used most of the air to pinpoint the leak. The gun did reach 23.5 bps but only for a split second because my tank just couldn't recharge below 1k psi. The hopper was also struggling to keep up, I'll have to set up the prophecy to max speed for the next video.

Here's the first video. The next video will be better, with a faster hopper and a full tank of air. The gun still does shoot 23.5 bps for a slit second which is damn fast for a sprung shocker. The next video will have as solid second or two stream to show sustained consistancy at rediculously high speeds(for a shocker).

Have you recorded the results w/ just the larger hole, and no IPR by chance? I'm pretty intrigued by the effect this would have on the EB, since that is also designed to articulate faster than stock. I believe it would be synergistic.

I'm getting the final revision of the valve seat on friday so that will be my first test, but I have a feeling that at high rates of fire the gun will get shoot down/inconsistancy if you drill out the body and have no ipr.
I do know that the ipr does completely block off air from excaping the noid chamber becuase when I degass the marker the bolt will continue to cycle for a good 2-3 times after the initial 1 shot of air that the marker typically stores.